How to cite? ============ Please cite [Aydogan2021]_, which provides a detailed explanation of the algorithm and the results obtained from extensive experiments. A precursory abstract was initially published during ISMRM 2019, Montreal [Aydogan2019]_, which can additionally be cited. .. [Aydogan2021] `Aydogan D.B., Shi Y., "Parallel transport tractography", in IEEE Transactions on Medical Imaging, vol. 40, no. 2, pp. 635-647, Feb. 2021, doi: 10.1109/TMI.2020.3034038. `__ .. [Aydogan2019] `Aydogan D.B., Shi Y., "A novel fiber tracking algorithm using parallel transport frames", Proceedings of the 27th Annual Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM) 2019 `__